Related Experiment Video
Updated: Jun 30, 2025

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
Published on: May 10, 2021
Limitations and drawbacks of DQE estimation methods applied to electron detectors
Olivier Marcelot1, Cécile Marcelot2, Sébastien Rolando1
1ISAE-SUPAERO, 10 avenue Edouard Belin, Toulouse 31055, France.
Abstract:
The detective quantum efficiency (DQE) is generally accepted as the main figure of merit for the comparison between electron detectors, and most of the time given as a unique number at the Nyquist frequency while it is known to vary with electron dose. It is usually estimated, thanks to a method improved by McMullan in 2009. The purpose of this work is to analyze and to criticize this DQE extraction method on the basis of measurement and model results, and to give recommendations for fair comparison between detectors, wondering if the DQE is the right figure of merit for electron detectors.
More Related Videos
11:16Correlative Light- and Electron Microscopy Using Quantum Dot Nanoparticles
Published on: August 7, 2016
08:13Visualizing Subcellular Localization of a Protein in the Heart Using Quantum Dots-Mediated Immuno-Labeling Followed by Transmission Electron Microscopy
Published on: September 16, 2022
Related Concept Videos
Mass Analyzers: Common Types
Electronic Distance Measuring Instruments
Difference from Background: Limit of Detection
The LOD indicates the presence or absence...
Atomic Emission Spectroscopy: Lab
Gas Chromatography: Types of Detectors-II
Atomic Emission Spectroscopy: Overview